Envelop.



A. MOSSOP.

ENVELOP.

I APPLICATION FILED SEPT. 17, 1910.

Patented Apr. 16, 191-2.

2 8HEETSSHEET 1.

COLUMBIA PLANOGRAFH cm. WASHINGTON. n. c.

A. MOSSOP. ENVELOP.

APPLICATION FILED SEPT. 17, 1910.

r 1,023,437. Patented Apr. 1 1912.

2 SHEETS-SHEET 2.

COLUMBIA PLANOGRAPH 50.. WASHINGTON. D. c.

AGNES MOSSOP, OF HARLEY, ONTARIO, CANADA.

ENVELOP.

Specification of Letters Patent.

Patented Apr. 16, 1912.

Application filed September 17, 1 910. SerialNo. 582,506.

To all whom it may concern Be it known that I, Aenns Mossor, a subject of the King of England, residing at Harley, in the Province of New Ontario, Dominion of Canada, have invented certain new and useful Improvements in Envelops; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to envelops of that general class designed to render visible evidence when being tampered with by unauthorized persons.

One object of the present invention is to provide a double envelop that will securely carry valuable articles.

A further object of this invention is to provide an open outer pocket in conjunction with the envelop body, this pocket being adapted to carry cardboard or like stiffening material so that fragile articles may be mailed without danger of injury while in transit to their destination.

In the accompanying drawings, forming part of this specification, Figure 1 is a view in elevation of the envelop folded and stamped. Fig. 2 is a plan view of the blank of material, showing the arrangement of the strips forming the body of the envelop and fastening flaps. Fig. 3 is a plan view of the blank showing the first operation of folding the envelop. Fig. 4 is a view showing the second operation in folding the envelop. Fig. 5 is a view showing the third operation of folding the envelop. Fig. 6 is a view showing the fourth or next to final operation of folding the envelop.

Referring now to the drawings, the envelop is shown to be formed from a single approximately L-shaped blank of material, the same being scored at intervals to form four strips 10, 11, 12 and 13 side by side, and a lateral strip 14 projecting from one end edge of the last strip 13 of the series, all these strips being of the same length and width as the completed envelop. The first strip 10 of the series is provided on one end edge with a fastening flap 15 and the third strip 12 of the series is provided on that edge opposite from the fastening flap of the first strip with a fastening flap 16. A fastening flap 17 is formed upon the longitudinal edge of the last strip 13 of the series, and a fastening fiaplS is formed on the free end edge of the lateral strip 14.

In folding, the first strip 10 is folded fiat upon. a second strip 11 and the uppermost side of the strip covered with an adhesive substance 19 as shown inv Fig; 3. The juxtapositioned strips 10 and 11 are now folded bodily upon the strip 12 with the adhesive face of the strip 10 engaging the strip 12. The fastening flap 16 of the strip 12 is now folded upon the strip 11 and its uppermost face covered with an adhesive substance 20. The parts will now have assumed the position shown in Fig. 4. The juxtapositioned strips 10, 11 and 12 are now folded bodily upon the strip 13. The fastening flap 17 of the strip 13 is covered on both of its sides with adhesive elements 21 and 22, and is now folded upon the flap 12 when the parts will assume the position shown in Fig. 5. To complete the folding operation the strips already folded are now folded bodily upon the lateral stri 14. The uppermost face of the fastening ap 18 carried by this strip is covered with an adhesive element 23 and an adhesive element 24 is applied to that portion of the strip 13 adjacent to the juxtapositioned fastening flaps 15 and 18. The fastening flap 15 is now moistened and pressed against the adhesive face of the fastening flap 18 so that both flaps may be folded as one upon the adhesive face of the strip 13. The postage stamp 25 is now applied to the strip 13 as shown in Fig. 1 and it is evident that in order to open the envelop this stamp must be mutilated beyond repair so that visible evidence is presented upon the envelop being surreptitiously opened.

It will be observed that when the parts are folded as above described, a single central double walled compartment will be formed within the envelop body, and the flap also will be double walled. It will be noted that since the lateral flap 14 is fixed throughout a portion of its area to the fastening flap 17 that an open outer pocket will be formed within the envelop within which may be slipped cardboard or the like for mailing photographs and other fragile articles.

What is claimed, is

A double walled envelop formed of a blank scored to form a series of four contiguous strips and a lateral strip all of the length and breadth of the envelop, the first strip of the series being gummed on one side, and the remaining strips of the blank being ungummed, the first strip of the series having an ungummed flap on one end edge, the third strip having a flap on the diametrically opposite end edge gummed onone side, the fourth strip having a flap on its longitudinal edge gummed on both sides, the lateral strip having a sealing flap on its free end edge of greater extent in all directions than the ungummed flap of said first strip and having a gunnned face, the series of strips forming When folded the double front and back of the envelop, the gummed face of Copies of this patent may be obtained for said first strip securing the strips of the envelop front together as one, While the longitudinal flap With both sides gummed secures the strips forming the back marginally together With a resultant pocket therebetWeen, and said sealing and the ungummed flap of said first strip being folded as one and forming a double sealing flap.

In testimony whereof, I aflix my signature, in presence of two Witnesses.

AGNES MOSSOP. Witnesses WM. I. Mossor, M. F. PUMAVILLE.

five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

